Home / 15,249,992.40-21,027,209.69-11,375,787.51

Finding the Fourth Proportional to 15,249,992.40, 21,027,209.69 and 11,375,787.51

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Solution

The fourth proportional to 15,249,992.40, 21,027,209.69 and 11,375,787.51 is: 15,685,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,992.40 : 21,027,209.69 = 11,375,787.51 : x
  2. Step 2: Convert to fraction form
    15,249,992.40/21,027,209.69 = 11,375,787.51/x
  3. Step 3: Cross multiply
    15,249,992.40x = 21,027,209.69 × 11,375,787.51
  4. Step 4: Simplify right side
    15,249,992.40x = 239,201,069,337,524.41
  5. Step 5: Solve for x
    x = 239,201,069,337,524.41/15,249,992.40
  6. Step 6: Final answer
    x = 15,685,323.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.